From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932937Ab1BYWLp (ORCPT ); Fri, 25 Feb 2011 17:11:45 -0500 Received: from www.tglx.de ([62.245.132.106]:36686 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932140Ab1BYWLo (ORCPT ); Fri, 25 Feb 2011 17:11:44 -0500 Date: Fri, 25 Feb 2011 23:11:31 +0100 (CET) From: Thomas Gleixner To: Seth Forshee cc: Steven Rostedt , Linux Kernel Mailing List , Ingo Molnar Subject: Re: Performance/resume issues on Toshiba NB305 In-Reply-To: <20110225202748.GB24686@thinkpad-t410> Message-ID: References: <20110225164239.GA24686@thinkpad-t410> <20110225201747.GB23161@home.goodmis.org> <20110225202748.GB24686@thinkpad-t410> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 25 Feb 2011, Seth Forshee wrote: > On Fri, Feb 25, 2011 at 03:17:47PM -0500, Steven Rostedt wrote: > > > One possible explanation here is that the performance problems are also > > > related to hangs in SMI handlers until there's a timer interrupt, > > > although I don't know how that explains why some of the command line > > > options eliminate the performance issues. > > > > Sounds like a buggy BIOS to me. Is there upgrades available for this > > box? > > It does sound like a buggy BIOS. I've already flashed the latest BIOS > though, so no luck there. Has the BIOS some knob to disable that feature^Wcrap? It's often hidden behind some "$manufacturer super extra mode". Thanks, tglx